Home / 21,713.88-32,600.96-11,191.44

Finding the Fourth Proportional to 21,713.88, 32,600.96 and 11,191.44

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Solution

The fourth proportional to 21,713.88, 32,600.96 and 11,191.44 is: 16,802.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,713.88 : 32,600.96 = 11,191.44 : x
  2. Step 2: Convert to fraction form
    21,713.88/32,600.96 = 11,191.44/x
  3. Step 3: Cross multiply
    21,713.88x = 32,600.96 × 11,191.44
  4. Step 4: Simplify right side
    21,713.88x = 364,851,687.78
  5. Step 5: Solve for x
    x = 364,851,687.78/21,713.88
  6. Step 6: Final answer
    x = 16,802.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.